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10112819 = 40125219
BaseRepresentation
bin100110100100…
…111100110011
3201000210011212
4212210330303
510042102234
61000430335
7151646303
oct46447463
921023155
1010112819
115787a02
1234783ab
132131022
1414b3603
15d4b5ce
hex9a4f33

10112819 has 4 divisors (see below), whose sum is σ = 10138440. Its totient is φ = 10087200.

The previous prime is 10112813. The next prime is 10112831. The reversal of 10112819 is 91821101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10112819 - 212 = 10108723 is a prime.

It is a super-2 number, since 2×101128192 = 204538216253522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10112794 and 10112803.

It is not an unprimeable number, because it can be changed into a prime (10112813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12209 + ... + 13010.

It is an arithmetic number, because the mean of its divisors is an integer number (2534610).

Almost surely, 210112819 is an apocalyptic number.

10112819 is a deficient number, since it is larger than the sum of its proper divisors (25621).

10112819 is an equidigital number, since it uses as much as digits as its factorization.

10112819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25620.

The product of its (nonzero) digits is 144, while the sum is 23.

The square root of 10112819 is about 3180.0658798207. The cubic root of 10112819 is about 216.2506449690.

The spelling of 10112819 in words is "ten million, one hundred twelve thousand, eight hundred nineteen".

Divisors: 1 401 25219 10112819